NYSE : KOP
-$1.09 (-2.08%)
| Date | Grading Company | Previous Grade | New Grade | Action |
|---|---|---|---|---|
| 2026-05-04 | Barrington Research | Outperform | Outperform | Maintain |
| 2026-04-02 | Barrington Research | Outperform | Outperform | Maintain |
| 2026-03-02 | Barrington Research | Outperform | Outperform | Maintain |
| 2026-02-27 | Barrington Research | Outperform | Outperform | Maintain |